This is one of those plants you see occasionally but could never point anyone to. It is much larger and leafier than the much more common A. eupatoria but looks much the same otherwise.

It is found throughout England, Wales, Ireland and Scotland with a greater concentration of sites in the west.

Newborough Warren. Anglesey 7th July 2005, updated Se3 22nd April 2010

Amended on 31st October 2004, and 14th January 2008, updated 21st February 2010, updated 2nd March 2012